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Question:

What are hybridisation states of each carbon atom in the following compounds ?

(i) CH2=C=O,

(ii) CH3CH=CH2,

(iii) (CH3)2CO,

(iv) CH2=CHCN,

(v) C6H6

Answer:

(i) C-1 is sp2 hybridised.

    C-2 is sp hybridised.

 

(ii) C-1 is sp3 hybridised.

     C-2 is sp2 hybridised.

     C-3 is sp2 hybridised.

 

(iii) C -1 and C-3 are sp3 hybridised.

      C-2 is sp2 hybridised.

 

(iv) C-1 is sp2 hybridised.

      C-2 is sp2 hybridised.

      C-3 is sp hybridised.

 

(v) C6H6  All the 6 carbon atoms in benzene are sp2 hybridised.


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